Operational software
[计] 操作软件, 系统软件
🧩 词语组成解析
🗣️ 情景例句
Are you sure about that?
你真的这么想吗？
How much is this carpet per square yard?
地毯每平方码要多少钱？
The man who had fixed up the air-line was also questioned.
安装供气管的那位工人也被提问。